Beijing met the standards at the end of last year, Yu Yaping, official with the water authority told China Daily yesterday. As industry insiders, we received the standards a long time ago. We immediately took action to improve the capital's drinking water quality, Yu said.
However, some  animals have evolved to have more protections in or on their skin  than this, including animals like turtles which have evolved to  change their body skin into a hard shell.Other animals rely on  their skin for camoflage, such as the speckled pattern on a fawn  (baby deer).any animals have a layer if skin to protect their organs. Dogs,  cats, wolfs, elephants, birds, insects, and pigs all have a layer  of skin that can protect their organs an â¦ d keep them warm in cold  climates. 1 person found this useful.
under the dermis. Heat is conserved by lowering th skin circulation and allowin the dermis to cool beloyv core temperature. In man and the pig the skin is firmly attached to underlying tissues and not nearly as mobile as in, for example, the rabbit or dog. Thus in basic anatomy the skin on the back of a young Large White pig is similar to that of human adult skin on th back or thigh. These common features are mainly a consequence of their near-hairlessness. There are regional variations as in the epidermis of the pig's snout or sole of foot. The most striking differences between porcine and human skin are in adaptations to hot environments.